JDMON Compatible with High Performance Spark Plug Ignition Wire Set Ford 332 351C 351M 352 360 361 370 390 400 427 428 429 460 514 BBF HEI Blue 10.5mm Item Description Compatible with Ford Big Block 332 351C 351M 352 360 361 370 390 400 427 428 429 460 514 BBF HEI.Please make sure to check fitment before purchase. Beautiful and Practical:10.5mm wire diameter, positive blue line body,sufficient material used in the inner material, good electrical conductivity. High Performance Racing Spark Plug Wires adopts silicone insulation technology, high temperature resistance -40 degrees to +220 degrees, high voltage 25KV. The wire core adopts silicone conductor, which has stable resistance and superior conductivity; the wire body is multi-layer reinforced and the service life is more durable. Tips: Please confirm whether the wiring harness is compatible with your vehicle before purchasing ? See more product details Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.